function mb_id_check()
{
	if(frm.member_id.value == "")
	{
		window.alert("ȸ¿ø¾ÆÀ̵𸦠ÀÔ·ÂÇϼ¼¿ä.");
		frm.member_id.focus();
		return;
	}
	var popup=window.open("/front/php/id_check/id_check.php?id="+frm.member_id.value,"hiddenframe");
}